2056445465984 has 576 divisors, whose sum is σ = 5491988354160. Its totient is φ = 760077287424.

The previous prime is 2056445465947. The next prime is 2056445465999. The reversal of 2056445465984 is 4895645446502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4642088867 + ... + 4642089309.

Almost surely, 2^{2056445465984} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056445465984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2745994177080).

2056445465984 is an abundant number, since it is smaller than the sum of its proper divisors (3435542888176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2056445465984 is a wasteful number, since it uses less digits than its factorization.

2056445465984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 62.

The spelling of 2056445465984 in words is "two trillion, fifty-six billion, four hundred forty-five million, four hundred sixty-five thousand, nine hundred eighty-four".